How to roll back from Cyanogen OS 12 to CyanogenMod 11S on OnePlus One

How to roll back OnePlus One from Cyanogen OS 12 to CyanogenMod 11SCyanogen

The Cyanogen team has resumed Cyanogen OS 12 OTA rollout for OnePlus One, which was withheld due to the missing Ok OnePlus feature. The latest OTA, which bumps the build version of the phone to YNG1TAS17L adds a number of fixes along with the voice command functionality.

However, if for some reason you wish to revert to CyanogenMod 11S (CM11S) from Cyanogen OS 12, here is a guide to help you restore the older firmware, for which credit is due to OnePlus forum member pmdsp.

Note that this method will wipe your device and restore the stock CyanogeMod 11S firmware. Create a backup before following the guide. IBTimes UK will not be held liable for any mishap with the device.

How to roll back from Cyanogen OS 12 to CyanogenMod 11S on OnePlus One

Step-3: Boot your OnePlus One into fastboot mode. Disconnect the phone from the computer if it is connected to it and switch off the phone. Hold Volume Up and Power buttons together simultaneously until the fastboot menu appears on your phone's screen